spray/spray

A suite of scala libraries for building and consuming RESTful web services on top of Akka: lightweight, asynchronous, non-blocking, actor-based, testable

non/spire

Powerful new number types and numeric abstractions for Scala.

julien-truffaut/monocle

Optics library for Scala

scalanlp/breeze

Breeze is a numerical processing library for Scala.

lihaoyi/upickle-pprint

uPickle: a simple, fast, dependency-free JSON serialization library for Scala

frees-io/freestyle

A cohesive & pragmatic framework of FP centric Scala libraries

japgolly/scalacss

Super type-safe CSS for Scala and Scala.JS.

typelevel/shapeless-contrib

Interoperability libraries for Shapeless

suzaku-io/boopickle

Binary serialization library for efficient network communication

frees-io/iota

Fast [co]product types with a clean syntax. For Cats & Scalaz.

milessabin/export-hook

Minimal infrastructure for type class providers to support the inclusion of derived, subclass and other orphan instances in their implicit scope.

jto/validation

validation api extracted from play

playframework/anorm

The Anorm database library

lihaoyi/PPrint

Pretty-printing value, types and type-signatures in Scala

fommil/spray-json-shapeless

:sparkles: Shapeless JsonFormats for spray-json

finagle/featherbed

Asynchronous Scala HTTP client using Finagle, Shapeless and Cats

47deg/case-classy

configuration with less hassle

thoughtworksinc/feature.scala

Access Scala language features on the type-level

stacycurl/delta

Type safe delta

julienrf/enum